Rectangular cake plate



FIG. 1 is a front view of a rectangular cake plate; and

FIG. 2 is a back view of a rectangular cake plate; and

FIG. 3 is a side view of a rectangular cake plate; and,

FIG. 4 is a top view of a rectangular cake plate.

The broken lines represent portions of the structure that form no part of the claim. 

I claim the ornamental design for a rectangular cake plate, as shown and described. 